The McCormick 6718815A1 Washer is a genuine OEM component designed for various McCormick tractor models, including C, CX, MC, MTX, X4, X5, X6, X7, X8, and XTX series. This essential washer provides a secure and stable connection for critical assemblies, preventing loosening due to vibration and operational stress. Manufactured to precise specifications, it ensures optimal performance and longevity for your agricultural machinery. Confirm fitment with your specific model for reliable operation.